土壤增温对中亚热带格氏栲天然林细根化学计量学特征的影响

doi:10.13287/j.1001-9332.202511.001

应用生态学报 ›› 2025, Vol. 36 ›› Issue (11): 3256-3264.doi: 10.13287/j.1001-9332.202511.001

土壤增温对中亚热带格氏栲天然林细根化学计量学特征的影响

黄锦学^1,2, 吴帆², 梁天豪², 傅贺菁², 景陈鸿², 杨智杰^1,2,3, 熊德成^1,2,3*

¹福建师范大学地理研究所, 福州 350117;
²福建师范大学地理科学学院、碳中和未来技术学院, 福州 350117;
³福建三明森林生态系统国家野外科学观测研究站, 福建三明 365002

收稿日期:2025-07-08 接受日期:2025-09-02 出版日期:2025-11-18 发布日期:2026-06-18
通讯作者: * E-mail: xdc104@163.com
作者简介:黄锦学, 女, 1987年生, 博士研究生, 讲师。主要从事森林生态系统碳循环与全球变化研究。E-mail: jxuehuang@fjnu.edu.cn
基金资助:
国家自然科学基金项目(32192433,32271727)和福建省科技厅公益类项目(2024R1002006)

Effects of soil warming on fine root stoichiometry of Castanopsis kawakamii natural forest in mid-subtropical zone

HUANG Jinxue^1,2, WU Fan², LIANG Tianhao², FU Hejing², JING Chenhong², YANG Zhijie^1,2,3, XIONG Decheng^1,2,3*

¹Institute of Geography, Fujian Normal University, Fuzhou 350117, China;
²School of Geographical Science, School of Carbon Neutrality and Future Technology, Fujian Normal University, Fuzhou 350117, China;
³Fujian Sanming Forest Ecosystem National Observation and Research Station, Sanming 365002, Fujian, China

Received:2025-07-08 Accepted:2025-09-02 Online:2025-11-18 Published:2026-06-18

摘要/Abstract

摘要： 为探究全球增温对森林生态系统的影响,本研究在福建三明开展格氏栲天然林野外原位土壤增温(0,+4 ℃)试验,采用内生长环法探究增温在雨季(5月)和旱季(11月)对天然林吸收根和运输根的碳(C)、氮(N)、磷(P)、钾(K)、钙(Ca)、镁(Mg)化学元素及其计量比特征的影响。结果表明: 雨季增温后,吸收根和运输根C、N、P、K、Ca、Mg含量和N/P均无显著变化,但运输根C/N和吸收根Ca/Mg分别显著增加40.0%、82.7%。旱季增温后,吸收根C、N、P和K含量分别显著降低10.8%、34.8%、37.3%、58.8%,C/P显著增加43.8%;运输根C、N、P和Mg含量分别显著降低4.2%、27.0%、28.7%、20.0%,C/N显著增加30.0%;而吸收根和运输根Ca、N/P和Ca/Mg均没有显著变化。增温对旱季的细根化学元素和计量特征的影响大于雨季,在雨季对照和增温处理均表现为受P或者N+P养分的共同限制,而旱季2种处理均受到N的限制。增温处理2种类型细根K和Ca之间表现出显著负相关关系,吸收根C、N、C/P与土壤温湿度间表现出显著的正相关关系。综上,雨季增温后细根会维持养分的稳定吸收,而旱季增温会影响根系对土壤中主要养分元素的吸收;增温并未明显改变天然林植物的养分限制状况,但通过对土壤温湿度的影响显著影响根系的化学计量特征。

关键词: 常绿阔叶天然林, 土壤增温, 中亚热带, 细根养分, 化学计量比, 养分限制

Abstract: We conducted an in-situ soil warming (0, +4 ℃) experiment in Samming, Fujian Province to investigate the effects of soil warming on the contents of carbon (C), nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg) and stoichiometry in absorptive and transport roots of Castanopsis kawakamii natural forest during the rainy season (May) and dry season (November). Roots were collected using the in-growth core method. The results showed that in the rainy season, warming did not alter the contents of C, N, P, K, Ca, Mg, and the N/P in either absorptive roots or transport roots, while C/N in transport roots and Ca/Mg in absorptive roots increased by 40.0% and 82.7%, respectively. In the dry season, warming reduced C, N, P and K contents of absorptive roots by 10.8%, 34.8%, 37.3%, 58.8%, respectively; increased the C/P by 43.8%; reduced C, N, P and Mg contents in transport roots by 4.2%, 27.0%, 28.7%, 20.0%, respectively; and increased C/N by 30.0%. However, there were no significant changes in Ca content, N/P, and Ca/Mg in either absorptive or transport roots. Collectively, warming had a greater impact on the stoichiometric traits of fine roots in the dry season than in the rainy season. In the rainy season, both the control and warming treatments exhibited P limitation or N and P co-limi-tation. In the dry season, both treatments were primarily N-limited. Moreover, there was a significant negative correlation between K and Ca in absorptive roots and transport roots in warming treatment. There was a significant positive correlation between C, N, C/P of absorptive roots and soil temperature and moisture. Fine roots could maintain stable nutrient absorption following warming in the rainy season, while warming could affect absorption of major nutrient elements in the dry season. Warming did not change nutrient limitation status of natural forest, but significantly affected the stoichiometric characteristics of fine roots by altering soil temperature and moisture.

Key words: evergreen broad-leaved natural forest, soil warming, mid-subtropical, fine root nutrient, stoichio-metry, nutrient limitation

黄锦学, 吴帆, 梁天豪, 傅贺菁, 景陈鸿, 杨智杰, 熊德成. 土壤增温对中亚热带格氏栲天然林细根化学计量学特征的影响[J]. 应用生态学报, 2025, 36(11): 3256-3264.

HUANG Jinxue, WU Fan, LIANG Tianhao, FU Hejing, JING Chenhong, YANG Zhijie, XIONG Decheng. Effects of soil warming on fine root stoichiometry of Castanopsis kawakamii natural forest in mid-subtropical zone[J]. Chinese Journal of Applied Ecology, 2025, 36(11): 3256-3264.

参考文献

[1] IPCC. Climate Change 2021: The Physical Science Basis. Contribution of Working Group Ⅰ to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge, UK and New York, USA: Cambridge University Press, 2021
[2] Way DA, Oren R. Differential response to changes in growth temperature between trees from different functional groups and biomes: A review and synthesis of data. Tree Physiology, 2010, 30: 669-688
[3] Freschet GT, Valverde-Barrantes OJ, Tucker CM, et al. Climate, soil and plant functional types as drivers of global fine-root trait variation. Journal of Ecology, 2017, 105: 1182-1196
[4] Bardgett RD, Mommer L, De-Vries FT. Going underground: Root traits as drivers of ecosystem processes. Trends in Ecology and Evolution, 2014, 29: 692-699
[5] Hou JW, McCormack ML, Reich PB, et al. Linking fine root lifespan to root chemical and morphological traits: A global analysis. Proceedings of the National Academy of Sciences of the United States of America, 2024, 121: e2320623121
[6] Yuan ZY, Chen H. Decoupling of nitrogen and phosphorus in terrestrial plants associated with global changes. Nature Climate Change, 2015, 5: 465-469
[7] Zhou YM, Tang JW, Melillo JM, et al. Root standing crop and chemistry after six years of soil warming in a temperate forest. Tree Physiology, 2017, 31: 707-717
[8] Wei B, Zhang DY, Wang GQ, et al. Experimental warming altered plant functional traits and their coordination in a permafrost ecosystem. New Phytologist, 2023, 240: 1802-1816
[9] Tang ZY, Xu WT, Zhou GY, et al. Patterns of plant carbon, nitrogen, and phosphorus concentration in relation to productivity in China's terrestrial ecosystems. Proceedings of the National Academy of Sciences of the United States of America, 2018, 115: 4033-4038
[10] Wan SQ, Norby RJ, Pregitzer KS, et al. CO₂ enrichment and warming of the atmosphere enhance both productivity and mortality of maple tree fine roots. New Phytologist, 2004, 162: 437-446
[11] Arndal MF, Tolver A, Larsen KS, et al. Fine root growth and vertical distribution in response to elevated CO₂, warming and drought in a mixed heathland-grassland. Ecosystems, 2018, 21: 15-30
[12] Wang J, Defrenne C, McCormack ML, et al. Fine-root functional trait responses to experimental warming: A global meta-analysis. New Phytologist, 2021, 230: 1856-1867
[13] Xiong DC, Yang ZJ, Cheng GS, et al. Interactive effects of warming and nitrogen addition on fine root dynamics of a young subtropical plantation. Soil Biology and Biochemistry, 2018, 123: 180-189
[14] Bauters M, Janssens IA, Wasner D, et al. Increasing calcium scarcity along Afrotropical forest succession. Nature Ecology Evolution, 2022, 6: 1122-1131
[15] 张秋芳. 增温对亚热带杉木幼林生长的影响及其养分和生理调控机制. 硕士论文. 福州: 福建师范大学, 2020
[16] Yin CY, Pu XZ, Xiao QY, et al. Effects of night warming on spruce root around non-growing season vary with branch order and month. Plant and Soil, 2014, 380: 249-263
[17] 姜琦, 陈光水, 郭润泉, 等. 增温与氮添加对杉木幼苗细根化学计量学的影响. 生态学杂志, 2020, 39(3): 723-732
[18] McCormack ML, Dickie IA, Eissenstat DM, et al. Redefining fine roots improves understanding of below ground contributions to terrestrial biosphere processes. New Phytologist, 2015, 207: 505-518
[19] Wang ZQ, Huang H, Yao BQ, et al. Divergent scaling of fine-root nitrogen and phosphorus in different root diameters, orders and functional categories: A meta-analysis. Forest Ecology and Management, 2021, 495: 119384
[20] Zheng Z, Wang C, Wang YD, et al. Decoupling of uptake- and transport-related traits in absorptive roots across coexisting herbaceous species in alpine meadows. Journal of Ecology, 2024, 112: 770-783
[21] Lv CH, Wang CK, Li YL, et al. Coordination among root exudation C, mycorrhizal colonization, and functional traits and their responses to drought in five temperate tree species. Forest Ecology and Management, 2023, 546: 121316
[22] Yu L, Dong TF, Lu YB, et al. Ecophysiological responses of Cunninghamia lanceolata to nongrowing-season warming, nitrogen deposition, and their combination. Photosynthetica, 2016, 54: 598-610
[23] Ziehn T, Wang YP, Huang Y. Land carbon-concentration and carbon-climate feedbacks are significantly reduced by nitrogen and phosphorus limitation. Environmental Research Letters, 2021, 16: 074043
[24] Venterink HO, Wassen MJ, Verkroost AWM, et al. Species richness-productivity patterns differ between N-, P- and K-limited wetlands. Ecology, 2003, 84: 2191-2199
[25] Nadelhoffer KJ. The potential effects of nitrogen deposition on fine-root production in forest ecosystems. New Phytologist, 2000, 147: 131-139
[26] Lim H, Oren R, Nasholm T. Boreal forest biomass accumulation is not increased by two decades of soil warming. Nature Climate Change, 2019, 9: 49-52
[27] 肖华翠, 李靖雯, 夏允, 等. 中亚热带不同母质发育森林土壤磷组分特征及其影响因素. 应用生态学报, 2021, 32(1): 16-22
[28] Sanaei A, van der Plas F, Chen HM, et al. Tree growth is better explained by absorptive fine root traits than by transport fine root traits. Communications Biology, 2025, 8: 313
[29] 吴帆. 增温对格氏栲天然林和杉木人工林不同季节细根生长及其功能性状的影响. 硕士论文. 福州: 福建师范大学, 2021
[30] Sun H, Zhang QF, Yang ZJ, et al. Nutrient resorption efficiency of twigs is more vulnerable to warming than that of leaves of Cunninghamia lanceolata seedlings. Plant and Soil, 2025, 507: 557-569
[31] Zwetsloot MJ, Bauerle TL. Repetitive seasonal drought causes substantial species-specific shifts in fine-root longevity and spatio-temporal production patterns in mature temperate forest trees. New Phytologist, 2021, 231: 974-986
[32] Zhang QF, Xie JS, Lyu MK, et al. Short-term effects of soil warming and nitrogen addition on the N:P stoi-chiometry of Cunninghamia lanceolata in subtropical regions. Plant and Soil, 2017, 411: 395-407
[33] Xu WF, Yuan WP, Dong WJ, et al. A meta-analysis of the response of soil moisture to experimental warming. Environmental Research Letters, 2013, 8: 4027
[34] Reich PB, Cornelissen H. The world-wide ‘fast-slow' plant economics spectrum: A traits manifesto. Journal of Ecology, 2014, 102: 275-301
[35] 吴傲淼, 洪宗文, 游成铭, 等. 华西雨屏区不同林龄柳杉人工林土壤团聚体碳氮磷化学计量特征. 应用生态学报, 2024, 35(9): 2518-2526
[36] 刘源豪, 杜旭龙, 黄锦学, 等. 增温对林木细根寿命影响的研究进展. 应用生态学报, 2023, 34(6): 1693-1702
[37] Güsewell S. N:P ratios in terrestrial plants: Variation and functional significance. New Phytologist, 2004, 164: 243-266
[38] Han WX, Fang JY, Reich PB, et al. Biogeography and variability of eleven mineral elements in plant leaves across gradients of climate, soil and plant functional type in China. Ecology Letters, 2011, 14: 788-796
[39] Österås AH, Greger M. Interactions between calcium and copper or cadmium in Norway spruce. Biologia Plantarum, 2006, 50: 647
[40] Gardner WK. Sodium, calcium and magnesium ratios in soils of NW Victoria, Australia may restrict root growth and crop production. Journal of Plant Nutrition, 2016, 39: 1205-1215
[41] Dolezal J, Kurnotova M, Stastna P, et al. Alpine plant growth and reproduction dynamics in a warmer world. New Phytologist, 2020, 228: 1295-1305

土壤增温对中亚热带格氏栲天然林细根化学计量学特征的影响

Effects of soil warming on fine root stoichiometry of Castanopsis kawakamii natural forest in mid-subtropical zone

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